... Thickness:2.3cmColor4+0 color printingMaterial80g Woodfree paper+800g duplex board with gray backSurface finishingNoneAccessoryNone.BindingPerfect bindingPackaging100pcs/ cartonQuality controlfrom materials selection,pre ... , bags, printing service,posters,greeting cards,brochures,hard book covers, with customers of LG, Philip, Lenovo, VW car, United Nations, Tomkins ...